graphics/metafiledrv/text.c

   1 /*
   2  * metafile driver text functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  *
   6  */
   7
   8 #include <string.h>
   9
  10 #include "windef.h"
  11 #include "wine/winestring.h"
  12 #include "metafiledrv.h"
  13 #include "debugtools.h"
  14 #include "heap.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(metafile);
  17
  18
  19 /******************************************************************
  20  *         MFDRV_MetaExtTextOut
  21  */
  22 static BOOL MFDRV_MetaExtTextOut(DC*dc, short x, short y, UINT16 flags,
  23                                  const RECT16 *rect, LPCSTR str, short count,
  24                                  const INT16 *lpDx)
  25 {
  26     BOOL ret;
  27     DWORD len;
  28     METARECORD *mr;
  29
  30     if((!flags && rect) || (flags && !rect))
  31         WARN("Inconsistent flags and rect\n");
  32     len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 2 * sizeof(short)
  33             + sizeof(UINT16);
  34     if(rect)
  35         len += sizeof(RECT16);
  36     if (lpDx)
  37      len+=count*sizeof(INT16);
  38     if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len)))
  39         return FALSE;
  40
  41     mr->rdSize = len / 2;
  42     mr->rdFunction = META_EXTTEXTOUT;
  43     *(mr->rdParm) = y;
  44     *(mr->rdParm + 1) = x;
  45     *(mr->rdParm + 2) = count;
  46     *(mr->rdParm + 3) = flags;
  47     if (rect) memcpy(mr->rdParm + 4, rect, sizeof(RECT16));
  48     memcpy(mr->rdParm + (rect ? 8 : 4), str, count);
  49     if (lpDx)
  50      memcpy(mr->rdParm + (rect ? 8 : 4) + ((count + 1) >> 1),lpDx,
  51       count*sizeof(INT16));
  52     ret = MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
  53     HeapFree( GetProcessHeap(), 0, mr);
  54     return ret;
  55 }
  56
  57
  58
  59 /***********************************************************************
  60  *           MFDRV_ExtTextOut
  61  */
  62 BOOL
  63 MFDRV_ExtTextOut( DC *dc, INT x, INT y, UINT flags,
  64                   const RECT *lprect, LPCWSTR str, UINT count,
  65                   const INT *lpDx )
  66 {
  67     RECT16      rect16;
  68     LPINT16     lpdx16 = NULL;
  69     BOOL        ret;
  70     int         i;
  71     LPSTR       ascii;
  72
  73     if(lpDx)
  74         lpdx16 = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16)*count );
  75     if (lprect) CONV_RECT32TO16(lprect,&rect16);
  76     if (lpdx16)
  77         for (i=count;i--;)
  78             lpdx16[i]=lpDx[i];
  79     ascii = HeapAlloc( GetProcessHeap(), 0, count+1 );
  80     lstrcpynWtoA(ascii, str, count+1);
  81     ret = MFDRV_MetaExtTextOut(dc,x,y,flags,lprect?&rect16:NULL,ascii,count,
  82                                lpdx16);
  83     HeapFree( GetProcessHeap(), 0, ascii );
  84     if (lpdx16) HeapFree( GetProcessHeap(), 0, lpdx16 );
  85     return ret;
  86 }
  87
  88
  89